GME TX3420 User Manual
Page 7

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i n s t r u c t i o n m A n uA l
PA G E 7
selectiNg a scaN grouP
to pre-select a scan group
the radio is initially set to open scan mode . to change to
Group scan mode, press the F key then the os/gs key to
select Group scan .
ProgrammiNg scaN chaNNels
your tX3420 is supplied with all 80 uhf cb channels
programmed into the open scan memory . Any channels
not needed, can be removed if required . the Group scan
memory is empty by default and you will need to add
channels to it before use .
to add or remove channels from either
scan memory:
1 . Ensure that the radio is not already scanning . if it is,
briefly press the scaN key to cancel the scan function .
2 . Ensure you have the required scan group pre-selected .
3 . select the required channel by rotating the
channel knob.
• if ‘m’ is visible to the right of the channel number,
the selected channel is already in the scan memory .
to remove the selected channel, press and hold the
scaN key for a few seconds until a beep is heard .
‘m’ will then disappear indicating the channel is no
longer in memory .
• if ‘m’ is not visible, then the selected channel is not
in the memory . to add the selected channel, press
and hold the scaN key for a few seconds until
a high beep is heard . ‘m’ will now appear .
4 . repeat step 3 to add or remove other channels in the
scan memory .
to start scanning
to begin scanning, briefly press the scaN key . A high
beep will be heard, ‘scAn’ will appear in the display and
the radio will begin scanning . in addition the selected scan
group will be displayed below the channel number .
Note: if there is only one channel programmed into the
open scan memory or none in the Group scan memory,
a long low beep will be heard when you press the scaN
key and the command will be ignored .
to stop scanning
to cancel the scan, briefly press the scaN key . A low beep
will be heard and ‘scAn’ will disappear from the display .
OPEN scAN MODE
usiNg scaN iN the oPeN scaN moDe
• if a busy channel is found, scanning will pause on that
channel to allow the signal to be heard and will remain
there for as long as the channel remains busy . once
the channel has been clear for 5 seconds, scanning
will resume automatically .
• if your radio pauses on a busy channel and you don’t
wish to listen to that conversation, briefly press the sKiP
button on the microphone . the radio will skip over that
channel and resume scanning from the next channel in
the sequence .
• if your radio is paused on a busy channel and you wish to
remain there, briefly press the scaN key . the radio will
exit scan mode and remain on the busy channel .
• to transmit while paused on a busy channel, simply
press the Ptt button . the radio will exit scan mode and
remain on the busy channel . you can now converse on
that channel in the usual way . When you have finished
your conversation, briefly press the scaN key to
resume scanning .
• if your radio is scanning and you need to use your
Priority channel (for an urgent call or an emergency),
briefly press the Pri key . the scan mode will be
cancelled and the radio will jump straight to the
Priority channel .
Note: in open scan mode your tX3420 will not allow you
to transmit while it is scanning . if the Ptt button is pressed
while scanning, the radio will give a low beep and will
ignore the command . your radio will only transmit while
it is paused on a busy channel .
GROUP scAN MODE
Group scan allows you to transmit and receive normally on
your Priority (working) channel, while continuing to scan
several other channels . the receiver will scan the other
channels oNly While there are No sigNals oN
the Priority chaNNel .
if a signal appears on the Priority channel it will override
any signals being received on any of the other channels .
in addition, if you press the Ptt button at any time, the
radio will transmit on the Priority channel in the usual way .
settiNg uP the grouP scaN
referring to the appropriate sections of this manual:
1 . Pre-select the Group scan mode .
2 . store your preferred working channel into the Priority
channel memory (see Priority channel on page 4) .